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Again, for some odd reason, people...

Apr2211 05:26 AM
ZapperZ

1 
41,796 
Hi All
I have a typical automotive problem here i am being confused by;
I have a three wheeled vehicle with two...

Aug1111 06:27 PM
rcgldr

6 
10,231 
I recently started looking into metamaterials and the concept of transformation optics that can be applied using the...

Aug1111 01:21 PM
josh_einsle

2 
2,179 
I was having a discussion about thermal insulation (high temperature) and I thought that positive pressure (meaning...

Aug1111 12:43 PM
cjl

3 
1,352 
In my textbook they claim that:
They lost me when they said "thermodynamic state". Do they mean thermodynamic...

Aug1111 12:15 PM
cnidocyte

2 
1,270 
Hi,
Like a lot of people programming, I created a simplistic 2D collision engine. This engine handles the collisions...

Aug1111 11:27 AM
Tipx

3 
1,305 
Hi guys im new, have tried to look for a topic similar to this and have some stuff vaguely relating to the topic but...

Aug1111 11:06 AM
Exadoi

0 
2,369 
i am looking for a why. not a description of how to calculate or how to find its direction.
i came across this...

Aug1111 10:39 AM
jjustinn

10 
2,762 
I need to calculate the radius of gyration for a generic, convex polygon, where the density is constant, the axis of...

Aug1111 03:42 AM
A.T.

1 
1,327 
I've been reading Landau and Lifgarbagez's Mechanics and have some issues I need clearing up, so I hope folk here can...

Aug1011 08:51 PM
mathfeel

3 
1,074 
Hello:
I am trying to understand how to build a hamiltonian for a general system and figure it is best to start...

Aug1011 01:31 PM
mathfeel

4 
2,114 
hello,
a simple question: a circuit with a DC source and a capacitor (assume no voltage loses due to the cables...

Aug1011 04:05 AM
vrc

4 
809 
Hello!
I would be very happy if someone could give me a little advice or a hint about my problem.
The problem: I...

Aug1011 03:51 AM
lskrinjar

0 
570 
I came across this question, " An 8000 kg engine pulls a train of 5 wagons, each of 2000 kg along a horizontal track....

Aug911 11:46 PM
cepheid

1 
1,576 
I have got a doubt regarding the situation when a ring rolls in a nonuniform magnetic field. We can see that the flux...

Aug911 11:30 PM
cragar

2 
1,083 
Hi all,
i'm trying to devise an experiment for measuring the thermal conductivity and other properties of a layer of...

Aug911 11:07 PM
Stuey88

0 
733 
I have set out to do a project to make my own particle accelerator. As of now, I know nothing and I know I have to do...

Aug911 04:08 PM
SpecialKM

2 
576 
HI,
I am wondering what factors go into spectral efficiency and determining and calculating guard bands. Could a...

Aug911 02:17 PM
cbausch

0 
562 
Consider a resistor with current running through it for some time in a constant temperature bath. I understand that...

Aug911 01:57 PM
nnnm4

4 
1,416 
Forgive me if I'm missing a basic concept,
A body does have a natural tendency to move, but a body does need energy...

Aug911 01:14 PM
Cromptu

4 
1,208 
Can anyone show me how to calculate the magnetic field of a single charge moving at a constant velocity  including...

Aug911 01:08 PM
Shaw1950

34 
6,171 
My textbook says that Electrostatic potential is the work done on a unit charge to bring it from infinity to a point...

Aug911 10:45 AM
formal

40 
4,926 
Hi,
I was wondering how I would go about measuring the electrical charge of an aerosol (A sodium chloride aerosol...

Aug911 09:16 AM
chrisbaird

1 
758 
let's say heat change between system and surrounding, so the process must occur in infinitesimal steps ie,...

Aug911 08:50 AM
weng cheong

5 
1,344 
Hi,
I wanted to calculate the magnetic field of a cylindrical magnet at a point P (r,ɵ,z). The magnet can be at the...

Aug911 08:03 AM
Enthalpy

3 
2,233 
The problem bellow is a real problem and I would like to get some ideas in order to overcome it.
As you can see in...

Aug911 03:52 AM
A.T.

6 
2,553 
I am trying to simulate a single rectangular body but I am having issues with Torque. I have an angular velocity...

Aug911 12:27 AM
EricMiddleton

0 
1,190 
When a cue ball is driven into another ball, it is either not accelerating or decelerating at impact. It has momentum...

Aug911 12:14 AM
rcgldr

1 
1,096 
This is an extract from my lecture notes:
"For classical stochastic systems, w(p,x,t)dpdx = prob. particle is in...

Aug811 10:35 PM
atyy

3 
1,209 
I don't understand why stream tubes exist. Stream tube is defined here:...

Aug811 08:14 PM
boneh3ad

3 
3,508 
So I got a ticket a few days ago for running a red light, the yellow light was very short, I'm trying to figure out if...

Aug811 08:13 PM
rcgldr

7 
1,653 
I've been curious about this question and hope that someone can provide a definitive answer with support for that...

Aug811 03:24 PM
xts

6 
3,252 
does the identity of molecules affect the internal energy, besides the temperature and volume?

Aug811 02:39 PM
chrisbaird

1 
2,195 
If a rod of length l is uniformly charged with charge q what will be the potential at point p?
The point is on the...

Aug811 06:54 AM
Sumedh

2 
1,028 
say i have a lever, fixed to an axis in its right end.
now a perpendicular force is exert on the lever, from its left...

Aug811 12:39 AM
Delta Kilo

7 
3,089 
The problem bellow is a real problem and I would like to get some ideas in order to overcome it.
As you can see in...

Aug711 06:44 PM
SteamKing

1 
1,437 
So the question is this:
A disc is released from rest. A block is causing it to rotate. After a time t the block...

Aug711 05:30 PM
tinytim

3 
1,713 
I was at a symposium the other day where the speaker was discussing the ability to create an AC current using a...

Aug711 10:33 AM
Enthalpy

1 
924 
I was trying to find the value of the magnetic field at a distance x from a rareearth magnet and came across this...

Aug711 10:16 AM
Enthalpy

1 
3,087 
I was wondering what will happen if we had a newton's pendulum (cradle ) in space out of any significant gravitational...

Aug711 07:15 AM
Slingshot

5 
2,475 
It is perfectly possible to derive, for instance, the Maxwell distribution of speeds in a heuristic way with only two...

Aug711 03:43 AM
RGann

6 
1,502 